{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "With MTT cell viability assay , LDH release , ROS generation , caspase - 3 activity assay and Hoechst 33342 / PI staining , we found that Sal B pretreatment provided significantly protection against ATO - induced cell death ."}
{"Chemical": ["MTT", "Hoechst 33342", "Sal B", "ATO"]}